/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package edu.pku.sei.ocl.cst.impl;

import edu.pku.sei.ocl.cst.CSTPackage;
import edu.pku.sei.ocl.cst.OCLExpressionCS;
import edu.pku.sei.ocl.cst.OCLMessageArgCS;
import edu.pku.sei.ocl.cst.TypeCS;
import edu.pku.sei.ocl.evaluation.Context;
import edu.pku.sei.ocl.visitor.AbstractOCLVisitor;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>OCL Message Arg CS</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.OCLMessageArgCSImpl#getTypeCS <em>Type CS</em>}</li>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.OCLMessageArgCSImpl#getExpression <em>Expression</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class OCLMessageArgCSImpl extends CSTNodeImpl implements OCLMessageArgCS {
	/**
	 * The cached value of the '{@link #getTypeCS() <em>Type CS</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTypeCS()
	 * @generated
	 * @ordered
	 */
	protected TypeCS typeCS;

	/**
	 * The cached value of the '{@link #getExpression() <em>Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
	protected OCLExpressionCS expression;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected OCLMessageArgCSImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return CSTPackage.Literals.OCL_MESSAGE_ARG_CS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TypeCS getTypeCS() {
		return typeCS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetTypeCS(TypeCS newTypeCS,
			NotificationChain msgs) {
		TypeCS oldTypeCS = typeCS;
		typeCS = newTypeCS;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS,
					oldTypeCS, newTypeCS);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTypeCS(TypeCS newTypeCS) {
		if (newTypeCS != typeCS) {
			NotificationChain msgs = null;
			if (typeCS != null)
				msgs = ((InternalEObject) typeCS).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS, null,
						msgs);
			if (newTypeCS != null)
				msgs = ((InternalEObject) newTypeCS).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS, null,
						msgs);
			msgs = basicSetTypeCS(newTypeCS, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS, newTypeCS,
					newTypeCS));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpressionCS getExpression() {
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetExpression(OCLExpressionCS newExpression,
			NotificationChain msgs) {
		OCLExpressionCS oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET,
					CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION, oldExpression,
					newExpression);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExpression(OCLExpressionCS newExpression) {
		if (newExpression != expression) {
			NotificationChain msgs = null;
			if (expression != null)
				msgs = ((InternalEObject) expression).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION,
						null, msgs);
			if (newExpression != null)
				msgs = ((InternalEObject) newExpression).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION,
						null, msgs);
			msgs = basicSetExpression(newExpression, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION, newExpression,
					newExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS:
			return basicSetTypeCS(null, msgs);
		case CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION:
			return basicSetExpression(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS:
			return getTypeCS();
		case CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION:
			return getExpression();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS:
			setTypeCS((TypeCS) newValue);
			return;
		case CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION:
			setExpression((OCLExpressionCS) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS:
			setTypeCS((TypeCS) null);
			return;
		case CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION:
			setExpression((OCLExpressionCS) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case CSTPackage.OCL_MESSAGE_ARG_CS__TYPE_CS:
			return typeCS != null;
		case CSTPackage.OCL_MESSAGE_ARG_CS__EXPRESSION:
			return expression != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public Object accept(AbstractOCLVisitor v, Context env, Object... argv) {
		if (argv == null || argv.length == 0) {
			return v.visitOCLMessageArgCS(this, env);
		} else {
			return v.visitOCLMessageArgCS(this, env, argv);
		}
	}
} //OCLMessageArgCSImpl
